Ermak Foundry & Machining, Inc.

Knowledge Base

The Certain Benefits of Prototype Casting

Benefits of Aluminum Prototype Casting Designers/engineers can gain tangible proof of the component’s quality, find unexpected flaws and perform testing that delivers invaluable data. Marketers can use prototypes to gain feedback from customers or investors

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Metal Casting Defects

Knowledge of casting defects and what causes them is an essential part of managing casting quality. High-quality foundries avoid pitfalls that cause casting defects. Casting defects in a finished product can occur due to defective

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5 World-Changing Metal Applications

Five non-ferrous metal applications which affected global industries in a big way include aluminum aircraft frames, magnesium transmissions, titanium golf clubs, zinc electrical hardware, and bronze gears. Previous Next The Industrial and Transportation Revolutions fueled

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What Is The Metal Solidification Process?

Metal Solidification is the comprehensive transformation process of a liquid into a solid and the basis of casting technology, including melting, pouring, and re-solidating a metal or metal alloy within a mold to produce a

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3 Types of Sand Casting

For over a half-century, Ermak has worked to master and perfect the art of sand mold casting. Sand casting is a popular method of producing non-ferrous alloy casts. This process was invented over 6,000 years

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What Is An Alloy

Alloy Definition Alloy: verb, past tense: alloyed; past participle: alloyed mix (metals) to make an alloy. “alloying tin with copper makes bronze”  What is a Metal Alloy? An alloy is a mixture of two or more elements

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A Guide To Non-ferrous Metal Alloy Casting

For thousands of years, non-ferrous metals have played a part in human innovation. The first metals used by humans were non-ferrous. The use of bronze, a copper and tin alloy, signaled humankind’s transition from the

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Rapid Prototyping

We often hear from customers looking to create a prototype part in order to test it, physically check it for fitment, and/or get customer feedback. Typically, the parts are requested to either be machined from

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When to use castings vs. machining

A few years ago, we had a customer that had never used aluminum castings but didn’t like “hogging out” (a process of cutting out the center of raw bar stock) that was required to make

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